Added support for a custom base sha. (#135)

.github/workflows/test.yml

@@ -129,7 +129,7 @@ jobs:
         id: changed-files-specific-source-file
         uses: ./
         with:
-          files-from-source-file: |
+          files_from_source_file: |
             test/changed-files-list.txt
             test/changed-files-list.txt
           files: |
@@ -152,7 +152,7 @@ jobs:
         id: changed-files-specific-comma-source-file
         uses: ./
         with:
-          files-from-source-file: |
+          files_from_source_file: |
             test/changed-files-list.txt
           separator: ","
       - name: Verify any_changed files comma separator
@@ -179,3 +179,22 @@ jobs:
           echo "${{ toJSON(steps.changed-files-custom-sha.outputs) }}"
         shell:
           bash
+      - name: Get branch name
+        id: branch-name
+        uses: tj-actions/branch-names@v4.5
+      - uses: nrwl/last-successful-commit-action@v1
+        id: last_successful_commit
+        with:
+          branch: ${{ steps.branch-name.outputs.base_ref_branch }}
+          workflow_id: 'test.yml'
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Run changed-files with a custom base sha
+        id: changed-files-custom-base-sha
+        uses: ./
+        with:
+          base_sha: ${{ steps.last_successful_commit.outputs.commit_hash }}
+      - name: Show output
+        run: |
+          echo "${{ toJSON(steps.changed-files-custom-sha.outputs) }}"
+        shell:
+          bash